Yukon Gear & Axle YG D44RS-513RUB Short-Pinion Reverse Ring & Pinion 5.13 07-18

Vehicle Fitment

• 2007-2018 Jeep Wrangler JK (Rubicon, 2-door & Unlimited 4-door) - Front Dana 44 Short-Pinion Reverse Rotation, 4WD/4x4 (All engines)

Fitment Notes

• Front axle only - designed for the Dana 44 front "RS" (Reverse-Rotation Short-Pinion) variant used in JK Rubicon models.
• Pinion spline count 24 - only fits axles with 24-spline pinion configuration.
• Not compatible with standard rotation front Dana 44 or non-RS versions.

Features

• High-performance ring & pinion gear set engineered to OEM specs for heavy duty and off-road conditions.
• Short-pinion reverse rotation design for correct orientation in JK Rubicon front axle.
• 5.13 :1 gear ratio delivers stronger low-end torque and improved performance for large tires and off-road work.
• Precision machined tooth surfaces for reduced friction and quiet operation under load.
• High-grade alloy steel construction and advanced heat treatment for long-term durability.
• Matched ring & pinion set pre-matched for installation accuracy and minimal break-in period.
• Ideal upgrade for lifting, larger tires, or increased performance demands on the front axle.
• Designed to handle increased stress of heavy-duty off-road use while maintaining street usability.

Specifications

• Gear Set Ratio: 5.13 :1
• Axle Type: Dana 44 Front - Short-Pinion Reverse-Rotation "RS" version
• Pinion Spline Count: 24 spline (front axle application)
• Ring Gear Diameter: 8.50" (typical for JK front Dana 44 RS)
• Rotation: Reverse (for front RS version axles)
• Position: Front axle only

Included Components

• 1x Ring gear
• 1x Pinion gear
• 1x Installation hardware kit (shims, crush sleeve, pinion nut - verify contents with purchase)
• 1x Instruction/installation guide sheet

Product Description

The Yukon Gear & Axle YG D44RS-513RUB is a premium ring & pinion gear set engineered specifically for the front Dana 44 "short-pinion reverse rotation" variant found in 2007 through 2018 Jeep Wrangler JK Rubicon models. With the 5.13:1 ratio, this gear set offers substantial performance gains when upgrading for larger tires, off-road loads, or higher-demand driving conditions.

Built with high-grade alloy steel and precision machined to exacting tolerances, this gear set delivers strength and reliability for the toughest conditions. The matched ring and pinion arrive pre-matched to reduce setup time and ensure accurate tooth contact, allowing smoother installation and long-term durability. The reverse-rotation design aligns with the front RS axle orientation used in the JK Rubicon, ensuring proper direction and seamless integration with stock and upgraded components.

This gear set is ideal for Rubicon owners or off-road enthusiasts upgrading their front axle gearing. It's designed to handle lifted vehicles, oversized tires, high torque loads and off-road use while still offering quality and quiet operation on the street. Before purchasing, be sure to verify that your vehicle's front axle is the Dana 44 RS (short-pinion reverse) variant and that the pinion spline count is 24. With Yukon's build quality behind it, you'll get a top-tier upgrade for your front axle gearing.